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WanderNerd

Flight Reliability

DL 1786 · Delta Air Lines

This number covered several routes in this period.

One number, several routes.

Airlines reuse flight numbers, and DL 1786 moved between routes during this period. Numbers below combine all of them, so treat them as background, not a verdict. For a cleaner answer, check the route you are actually flying.

Combined across all its routes

88%
Arrive within 15 minutes
3 min early
Average arrival delay
0%
Cancelled
11 min early
Median arrival delay

Based on 283 historical flights. Data through May 2026.

The breakdown

On-time by weekday
  • Mon93%(44 flights)
  • Tue86%(42 flights)
  • Wed86%(42 flights)
  • Thu84%(43 flights)
  • Fri88%(43 flights)
  • Sat92%(25 flights)
  • Sun91%(44 flights)
On-time by departure window
  • 9 AM–12 PM89%(138 flights)
  • 12–3 PM88%(145 flights)
On-time trend by month
100%
Nov

Jun 85% → Nov 100% on time

On-time arrival percentage by month
MonthOn-time percentageFlights
June 202585%46
July 202586%62
August 202594%62
September 202596%47
October 202580%54
November 2025100%12
Departures on time
88%
Diverted
0%
Flights flown
283
Months covered
6

Based on 283 historical flights, because apparently we checked. Historical flight data: U.S. Bureau of Transportation Statistics, June 2025 – May 2026. Data through May 2026. How we calculate this.